Siani signed a minor-league contract with the Tigers on Friday, Emily Waldon of Baseball America reports.
The Yankees signed Topa to a minor-league contract Friday, Gary Phillips of the New York Daily News reports.
Chivilli (undisclosed) was placed on the 7-day injured list at Triple-A Scranton/Wilkes-Barre on Friday, Gary Phillips of the New York Daily News reports.
Rodon (elbow) pitched 4.1 scoreless innings, giving up two hits and a walk while striking seven batters in a rehab start with Double-A Somerset on Thursday.
Jansen delivered a perfect ninth inning Thursday to earn the save in a 3-0 win over the Guardians.
Montero (9-7) earned the win Thursday over the Guardians, allowing three hits and a walk over 6.1 scoreless innings. He didn't record a strikeout.
Fried (4-4) took the loss against the Mariners on Thursday, allowing one run on five hits and two walks in five innings. He struck out four.
The Tigers recalled Cruz from Triple-A Toledo on Thursday.
The Tigers placed Outman on the 7-day concussion injured list Thursday.
Wells is absent from the lineup for Thursday's game against the Mariners.
